[Bug]: Client on Ubuntu does not recognize new files mounted via network share

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- [X] This is a **bug**, not a question or a configuration issue.
- [X] This issue is **not** already reported on Github (I've searched it).
- [X] Nextcloud Server and Desktop Client are **up to date**. See [Server Maintenance and Release Schedule](https://github.com/nextcloud/server/wiki/Maintenance-and-Release-Schedule) and [Desktop Releases](https://nextcloud.com/install/#install-clients) for supported versions.
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### Bug description

Nextcloudserver 25.0.5 running in the internet
Nextcloud Desktop Client 3.8.0 running on an Ubuntu 22.04

The folder I like to sync is on a NAS, and mounted in the Ubuntu.
New files created from a Windows in this network share are not recognized from the client running on the Ubuntu.
I tried different protocols to mount the folder, like smb, nfs, webdav, does not make any difference.
Files in this folder are recognized as soon as I make some modification in that folder, eg. "touch testtouch.txt"
But files in subfolders are not recognized with this touch.
Files are in general seen by ubuntu, as the file explorer with F5 shows them, and also the ll command.
See my screenshots.

Cannot upload a screenshot

### Steps to reproduce

See bug description

### Expected behavior

Files are recognized and synchronized

### Which files are affected by this bug

mytestfile.txt

### Operating system

Linux

### Which version of the operating system you are running.

Ubuntu 22.04

### Package

Distro package manager

### Nextcloud Server version

25.0.5

### Nextcloud Desktop Client version

3.8.0

### Is this bug present after an update or on a fresh install?

Fresh desktop client install

### Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

### Are you using an external user-backend?

- [X] Default internal user-backend
- [ ] LDAP/ Active Directory
- [ ] SSO - SAML
- [ ] Other

### Nextcloud Server logs

_No response_

### Additional info

_No response_